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Incheon Intl

$428+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 61 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Heathrow to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$571
(Air China)

One-way from

$428
(SmartFares)

Popular in

July

Cheapest in

November

Average price

$1,038

Good round-trip deal

$1,157 or less

Good one-way deal

$758 or less
Provider with most accurate pricing for London Heathrow-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Incheon Intl flights.
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From London Heathrow to Incheon Intl
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One-way flight from London Heathrow to Incheon Intl
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Highest demand for flights based on searches. 14% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
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Price to beat on a one-way flight from London Heathrow to Incheon Intl.
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Find flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

This Air China deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1010:00 pmLHR - ICN
1 stop30h 55mAir China
jue. 6/2610:50 amICN - LHR
1 stop17h 40mAir China
Deal found 4/28$571
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1910:00 pmLHR - ICN
2 stops39h 30mMultiple Airlines
mar. 5/274:45 pmICN - LHR
1 stop34h 15mMultiple Airlines
Deal found 4/28$572
This Lufthansa deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/911:30 amLHR - ICN
1 stop14h 20mLufthansa
jue. 11/2012:55 pmICN - LHR
1 stop16h 50mLufthansa
Deal found 4/27$588
This Shenzhen Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2410:05 pmLHR - ICN
1 stop33h 35mShenzhen Airlines
sáb. 10/112:40 pmICN - LHR
1 stop37h 20mShenzhen Airlines
Deal found 4/28$614
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/139:20 pmLHR - ICN
2 stops39h 45mChina Eastern
mar. 5/204:35 pmICN - LHR
2 stops34h 05mChina Eastern
Deal found 4/29$621
This SWISS deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/148:05 pmLHR - ICN
1 stop28h 20mSWISS
sáb. 6/2810:05 amICN - LHR
1 stop29h 50mSWISS
Deal found 4/28$654
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/110:10 pmLHR - ICN
1 stop33h 15mChina Southern
lun. 6/304:45 pmICN - LHR
1 stop34h 15mChina Southern
Deal found 4/28$708
This Scandinavian Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/107:50 pmLHR - ICN
2 stops38h 10mScandinavian Airlines
mié. 11/1911:45 pmICN - LHR
2 stops23h 50mScandinavian Airlines
Deal found 4/27$720
This KLM deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/411:45 amLHR - ICN
1 stop20h 55mKLM
mar. 6/2410:25 pmICN - LHR
1 stop18h 35mKLM
Deal found 4/27$797
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/12:45 pmLHR - ICN
1 stop36h 00mEtihad Airways
dom. 6/291:35 amICN - LHR
1 stop37h 25mEtihad Airways
Deal found 4/29$838
This Finnair deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/254:10 pmLHR - ICN
1 stop35h 10mFinnair
mié. 9/39:50 pmICN - LHR
1 stop25h 20mFinnair
Deal found 4/29$840
This Turkish Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/35:45 pmLHR - ICN
1 stop15h 35mTurkish Airlines
mié. 12/1012:10 amICN - LHR
1 stop23h 55mTurkish Airlines
Deal found 4/29$843

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 30, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

mar. 6/10

10:00 pm-12:55 pm

1 stop30h 55m

Incheon Intl

jue. 6/26

10:50 am-8:30 pm

1 stop17h 40m

$571

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

lun. 5/19

10:00 pm-9:30 pm

2 stops39h 30m

Incheon Intl

mar. 5/27

4:45 pm-7:00 pm

1 stop34h 15m

$572

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

mié. 9/24

10:05 pm-1:40 pm

1 stop31h 35m

Incheon Intl

jue. 10/9

4:40 pm-8:00 pm

1 stop35h 20m

$614

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

mar. 5/13

9:20 pm-9:05 pm

2 stops39h 45m

Incheon Intl

mar. 5/20

4:35 pm-6:40 pm

2 stops34h 05m

$621

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

mar. 5/20

7:25 am-9:55 am

1 stop18h 30m

Incheon Intl

mié. 12/10

1:30 pm-10:55 pm

1 stop18h 25m

$644

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

sáb. 6/14

8:05 pm-8:25 am

1 stop28h 20m

Incheon Intl

sáb. 6/28

10:05 am-7:55 am

1 stop29h 50m

$654

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

dom. 6/1

10:10 pm-3:25 pm

1 stop33h 15m

Incheon Intl

lun. 6/30

4:45 pm-7:00 pm

1 stop34h 15m

$708

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

dom. 6/1

2:45 pm-10:45 am

1 stop36h 00m

Incheon Intl

dom. 6/29

1:35 am-7:00 am

1 stop37h 25m

$838

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

lun. 8/25

4:10 pm-11:20 am

1 stop35h 10m

Incheon Intl

mié. 9/3

9:50 pm-3:10 pm

1 stop25h 20m

$840

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

sáb. 5/31

10:05 pm-3:40 pm

1 stop33h 35m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 32 results
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Compare providers for flights from Heathrow to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Incheon Intl in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Incheon Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Incheon Intl Airport

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $1,001). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to ICN?

Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from London Heathrow Airport to Incheon Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from London Heathrow Airport to Incheon Intl Airport

Explore weekly flight availability from Heathrow to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 30, 2025.

The most flights from LHR to ICN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated abril 30, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines and Garuda Indonesia from London to Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,066 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,066 reviews
Korean Air
8.4
Very good
1,066 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
442 reviews
Korean Air
8.4
Very good
1,066 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Garuda Indonesia
8.1
Very good
72 reviews
Korean Air
8.4
Very good
1,066 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
KLM
7.8
Good
1,333 reviews
Korean Air
8.4
Very good
1,066 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
LOT
7.6
Good
1,069 reviews
Korean Air
8.4
Very good
1,066 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Heathrow Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is Air China. Our recent data shows that you can find tickets from as low as $571 on this airline. Additional options worth looking into are Shenzhen Airlines and China Eastern, starting at $614 and $621 round-trip. Users have found that Air China is 37% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Incheon Intl Airport one-way?

    The cheapest airline one-way is Shenzhen Airlines, with whom users have recently found tickets for as low as $428. However, be on the lookout for offers from China Eastern and Air China, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Virgin Atlantic (78%), Asiana Airlines (52%) or Korean Air (39%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Incheon Intl Airport?

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $985, our data shows the cheapest flight currently is $744. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $500 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $1,001). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
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Top 4 airlines flying from Heathrow to Incheon Intl

Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$507Average$738FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$726Average$971FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,047FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,003Average$1,155FlexibilityNo cancel feeOn-time81%

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